Finding the Fourth Proportional to 24,678,346.95, 34,121,129.31 and 21,613,776.75
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Solution
The fourth proportional to 24,678,346.95, 34,121,129.31 and 21,613,776.75 is: 29,883,949.39
Step by Step Solution
- Step 1: Write the proportion equation
24,678,346.95 : 34,121,129.31 = 21,613,776.75 : x - Step 2: Convert to fraction form
24,678,346.95/34,121,129.31 = 21,613,776.75/x - Step 3: Cross multiply
24,678,346.95x = 34,121,129.31 × 21,613,776.75 - Step 4: Simplify right side
24,678,346.95x = 737,486,471,364,221.62 - Step 5: Solve for x
x = 737,486,471,364,221.62/24,678,346.95 - Step 6: Final answer
x = 29,883,949.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.